171 lines
5.2 KiB
C
171 lines
5.2 KiB
C
/*
|
|
* NFS protocol definitions
|
|
*
|
|
* This file contains constants mostly for Version 2 of the protocol,
|
|
* but also has a couple of NFSv3 bits in (notably the error codes).
|
|
*/
|
|
#ifndef _LINUX_NFS_H
|
|
#define _LINUX_NFS_H
|
|
|
|
#define NFS_PROGRAM 100003
|
|
#define NFS_PORT 2049
|
|
#define NFS_MAXDATA 8192
|
|
#define NFS_MAXPATHLEN 1024
|
|
#define NFS_MAXNAMLEN 255
|
|
#define NFS_MAXGROUPS 16
|
|
#define NFS_FHSIZE 32
|
|
#define NFS_COOKIESIZE 4
|
|
#define NFS_FIFO_DEV (-1)
|
|
#define NFSMODE_FMT 0170000
|
|
#define NFSMODE_DIR 0040000
|
|
#define NFSMODE_CHR 0020000
|
|
#define NFSMODE_BLK 0060000
|
|
#define NFSMODE_REG 0100000
|
|
#define NFSMODE_LNK 0120000
|
|
#define NFSMODE_SOCK 0140000
|
|
#define NFSMODE_FIFO 0010000
|
|
|
|
#define NFS_MNT_PROGRAM 100005
|
|
#define NFS_MNT_PORT 627
|
|
|
|
/*
|
|
* NFS stats. The good thing with these values is that NFSv3 errors are
|
|
* a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
|
|
* no-one uses anyway), so we can happily mix code as long as we make sure
|
|
* no NFSv3 errors are returned to NFSv2 clients.
|
|
* Error codes that have a `--' in the v2 column are not part of the
|
|
* standard, but seem to be widely used nevertheless.
|
|
*/
|
|
enum nfs_stat {
|
|
NFS_OK = 0, /* v2 v3 v4 */
|
|
NFSERR_PERM = 1, /* v2 v3 v4 */
|
|
NFSERR_NOENT = 2, /* v2 v3 v4 */
|
|
NFSERR_IO = 5, /* v2 v3 v4 */
|
|
NFSERR_NXIO = 6, /* v2 v3 v4 */
|
|
NFSERR_EAGAIN = 11, /* v2 v3 */
|
|
NFSERR_ACCES = 13, /* v2 v3 v4 */
|
|
NFSERR_EXIST = 17, /* v2 v3 v4 */
|
|
NFSERR_XDEV = 18, /* v3 v4 */
|
|
NFSERR_NODEV = 19, /* v2 v3 v4 */
|
|
NFSERR_NOTDIR = 20, /* v2 v3 v4 */
|
|
NFSERR_ISDIR = 21, /* v2 v3 v4 */
|
|
NFSERR_INVAL = 22, /* v2 v3 v4 */
|
|
NFSERR_FBIG = 27, /* v2 v3 v4 */
|
|
NFSERR_NOSPC = 28, /* v2 v3 v4 */
|
|
NFSERR_ROFS = 30, /* v2 v3 v4 */
|
|
NFSERR_MLINK = 31, /* v3 v4 */
|
|
NFSERR_OPNOTSUPP = 45, /* v2 v3 */
|
|
NFSERR_NAMETOOLONG = 63, /* v2 v3 v4 */
|
|
NFSERR_NOTEMPTY = 66, /* v2 v3 v4 */
|
|
NFSERR_DQUOT = 69, /* v2 v3 v4 */
|
|
NFSERR_STALE = 70, /* v2 v3 v4 */
|
|
NFSERR_REMOTE = 71, /* v2 v3 */
|
|
NFSERR_WFLUSH = 99, /* v2 */
|
|
NFSERR_BADHANDLE = 10001, /* v3 v4 */
|
|
NFSERR_NOT_SYNC = 10002, /* v3 */
|
|
NFSERR_BAD_COOKIE = 10003, /* v3 v4 */
|
|
NFSERR_NOTSUPP = 10004, /* v3 v4 */
|
|
NFSERR_TOOSMALL = 10005, /* v3 v4 */
|
|
NFSERR_SERVERFAULT = 10006, /* v3 v4 */
|
|
NFSERR_BADTYPE = 10007, /* v3 v4 */
|
|
NFSERR_JUKEBOX = 10008, /* v3 v4 */
|
|
NFSERR_SAME = 10009, /* v4 */
|
|
NFSERR_DENIED = 10010, /* v4 */
|
|
NFSERR_EXPIRED = 10011, /* v4 */
|
|
NFSERR_LOCKED = 10012, /* v4 */
|
|
NFSERR_GRACE = 10013, /* v4 */
|
|
NFSERR_FHEXPIRED = 10014, /* v4 */
|
|
NFSERR_SHARE_DENIED = 10015, /* v4 */
|
|
NFSERR_WRONGSEC = 10016, /* v4 */
|
|
NFSERR_CLID_INUSE = 10017, /* v4 */
|
|
NFSERR_RESOURCE = 10018, /* v4 */
|
|
NFSERR_MOVED = 10019, /* v4 */
|
|
NFSERR_NOFILEHANDLE = 10020, /* v4 */
|
|
NFSERR_MINOR_VERS_MISMATCH = 10021, /* v4 */
|
|
NFSERR_STALE_CLIENTID = 10022, /* v4 */
|
|
NFSERR_STALE_STATEID = 10023, /* v4 */
|
|
NFSERR_OLD_STATEID = 10024, /* v4 */
|
|
NFSERR_BAD_STATEID = 10025, /* v4 */
|
|
NFSERR_BAD_SEQID = 10026, /* v4 */
|
|
NFSERR_NOT_SAME = 10027, /* v4 */
|
|
NFSERR_LOCK_RANGE = 10028, /* v4 */
|
|
NFSERR_SYMLINK = 10029, /* v4 */
|
|
NFSERR_RESTOREFH = 10030, /* v4 */
|
|
NFSERR_LEASE_MOVED = 10031, /* v4 */
|
|
NFSERR_ATTRNOTSUPP = 10032, /* v4 */
|
|
NFSERR_NO_GRACE = 10033, /* v4 */
|
|
NFSERR_RECLAIM_BAD = 10034, /* v4 */
|
|
NFSERR_RECLAIM_CONFLICT = 10035,/* v4 */
|
|
NFSERR_BAD_XDR = 10036, /* v4 */
|
|
NFSERR_LOCKS_HELD = 10037, /* v4 */
|
|
NFSERR_OPENMODE = 10038, /* v4 */
|
|
NFSERR_BADOWNER = 10039, /* v4 */
|
|
NFSERR_BADCHAR = 10040, /* v4 */
|
|
NFSERR_BADNAME = 10041, /* v4 */
|
|
NFSERR_BAD_RANGE = 10042, /* v4 */
|
|
NFSERR_LOCK_NOTSUPP = 10043, /* v4 */
|
|
NFSERR_OP_ILLEGAL = 10044, /* v4 */
|
|
NFSERR_DEADLOCK = 10045, /* v4 */
|
|
NFSERR_FILE_OPEN = 10046, /* v4 */
|
|
NFSERR_ADMIN_REVOKED = 10047, /* v4 */
|
|
NFSERR_CB_PATH_DOWN = 10048, /* v4 */
|
|
NFSERR_REPLAY_ME = 10049 /* v4 */
|
|
};
|
|
|
|
/* NFSv2 file types - beware, these are not the same in NFSv3 */
|
|
|
|
enum nfs_ftype {
|
|
NFNON = 0,
|
|
NFREG = 1,
|
|
NFDIR = 2,
|
|
NFBLK = 3,
|
|
NFCHR = 4,
|
|
NFLNK = 5,
|
|
NFSOCK = 6,
|
|
NFBAD = 7,
|
|
NFFIFO = 8
|
|
};
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/sunrpc/msg_prot.h>
|
|
#include <linux/string.h>
|
|
|
|
/*
|
|
* This is the kernel NFS client file handle representation
|
|
*/
|
|
#define NFS_MAXFHSIZE 128
|
|
struct nfs_fh {
|
|
unsigned short size;
|
|
unsigned char data[NFS_MAXFHSIZE];
|
|
};
|
|
|
|
/*
|
|
* Returns a zero iff the size and data fields match.
|
|
* Checks only "size" bytes in the data field.
|
|
*/
|
|
static inline int nfs_compare_fh(const struct nfs_fh *a, const struct nfs_fh *b)
|
|
{
|
|
return a->size != b->size || memcmp(a->data, b->data, a->size) != 0;
|
|
}
|
|
|
|
static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *source)
|
|
{
|
|
target->size = source->size;
|
|
memcpy(target->data, source->data, source->size);
|
|
}
|
|
|
|
|
|
/*
|
|
* This is really a general kernel constant, but since nothing like
|
|
* this is defined in the kernel headers, I have to do it here.
|
|
*/
|
|
#define NFS_OFFSET_MAX ((__s64)((~(__u64)0) >> 1))
|
|
|
|
|
|
enum nfs3_stable_how {
|
|
NFS_UNSTABLE = 0,
|
|
NFS_DATA_SYNC = 1,
|
|
NFS_FILE_SYNC = 2
|
|
};
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _LINUX_NFS_H */
|